Pith Number

pith:GKGKDSTE

pith:2008:GKGKDSTE52UAYSAUUIOTUZVMLT

not attested not anchored not stored refs pending

Optical gaps, mode patterns and dipole radiation in two-dimensional aperiodic photonic structures

Ashwin Gopinath, Luca Dal Negro, Svetlana V. Boriskina

arxiv:0807.4131 v1 · 2008-07-25 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKGKDSTE52UAYSAUUIOTUZVMLT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:15:44.516625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

328ca1ca64eea80c4814a21d3a66ac5cd9d83aadcec9373e0992125bc2f51abe

Aliases

arxiv: 0807.4131 · arxiv_version: 0807.4131v1 · doi: 10.48550/arxiv.0807.4131 · pith_short_12: GKGKDSTE52UA · pith_short_16: GKGKDSTE52UAYSAU · pith_short_8: GKGKDSTE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GKGKDSTE52UAYSAUUIOTUZVMLT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 328ca1ca64eea80c4814a21d3a66ac5cd9d83aadcec9373e0992125bc2f51abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "091a41fff005d70eb1ea749928455a1589c057c0a0f028c8535bbf628fb9b21f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-07-25T16:02:36Z",
    "title_canon_sha256": "283c8411c062146724fc0226fe15aea03b884859cefeb744120eb43550b92f9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4131",
    "kind": "arxiv",
    "version": 1
  }
}